/**************************************************************************/
/* test_crypto.h */
/**************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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#ifndef TEST_CRYPTO_H
#define TEST_CRYPTO_H
#include "core/crypto/crypto.h"
#include "tests/test_macros.h"
namespace TestCrypto {
class _MockCrypto : public Crypto {
virtual PackedByteArray generate_random_bytes(int p_bytes) { return PackedByteArray(); }
virtual Ref<CryptoKey> generate_rsa(int p_bytes) { return nullptr; }
virtual Ref<X509Certificate> generate_self_signed_certificate(Ref<CryptoKey> p_key, const String &p_issuer_name, const String &p_not_before, const String &p_not_after) { return nullptr; }
virtual Vector<uint8_t> sign(HashingContext::HashType p_hash_type, const Vector<uint8_t> &p_hash, Ref<CryptoKey> p_key) { return Vector<uint8_t>(); }
virtual bool verify(HashingContext::HashType p_hash_type, const Vector<uint8_t> &p_hash, const Vector<uint8_t> &p_signature, Ref<CryptoKey> p_key) { return false; }
virtual Vector<uint8_t> encrypt(Ref<CryptoKey> p_key, const Vector<uint8_t> &p_plaintext) { return Vector<uint8_t>(); }
virtual Vector<uint8_t> decrypt(Ref<CryptoKey> p_key, const Vector<uint8_t> &p_ciphertext) { return Vector<uint8_t>(); }
virtual PackedByteArray hmac_digest(HashingContext::HashType p_hash_type, const PackedByteArray &p_key, const PackedByteArray &p_msg) { return PackedByteArray(); }
};
PackedByteArray raw_to_pba(const uint8_t *arr, size_t len) {
PackedByteArray pba;
pba.resize(len);
for (size_t i = 0; i < len; i++) {
pba.set(i, arr[i]);
}
return pba;
}
TEST_CASE("[Crypto] PackedByteArray constant time compare") {
const uint8_t hm1[] = { 144, 140, 176, 38, 88, 113, 101, 45, 71, 105, 10, 91, 248, 16, 117, 244, 189, 30, 238, 29, 219, 134, 82, 130, 212, 114, 161, 166, 188, 169, 200, 106 };
const uint8_t hm2[] = { 80, 30, 144, 228, 108, 38, 188, 125, 150, 64, 165, 127, 221, 118, 144, 232, 45, 100, 15, 248, 193, 244, 245, 34, 116, 147, 132, 200, 110, 27, 38, 75 };
PackedByteArray p1 = raw_to_pba(hm1, sizeof(hm1) / sizeof(hm1[0]));
PackedByteArray p2 = raw_to_pba(hm2, sizeof(hm2) / sizeof(hm2[0]));
_MockCrypto crypto;
bool equal = crypto.constant_time_compare(p1, p1);
CHECK(equal);
equal = crypto.constant_time_compare(p1, p2);
CHECK(!equal);
}
} // namespace TestCrypto
#endif // TEST_CRYPTO_H
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